22768237 has 2 divisors, whose sum is σ = 22768238. Its totient is φ = 22768236.

The previous prime is 22768231. The next prime is 22768241. The reversal of 22768237 is 73286722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16760836 + 6007401 = 4094^2 + 2451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22768237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22768196 and 22768205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22768231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11384118 + 11384119.

It is an arithmetic number, because the mean of its divisors is an integer number (11384119).

Almost surely, 2^22768237 is an apocalyptic number.

It is an amenable number.

22768237 is a deficient number, since it is larger than the sum of its proper divisors (1).

22768237 is an equidigital number, since it uses as much as digits as its factorization.

22768237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 22768237 is about 4771.6073811662. The cubic root of 22768237 is about 283.4282494761.

It can be divided in two parts, 22768 and 237, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22768237 in words is "twenty-two million, seven hundred sixty-eight thousand, two hundred thirty-seven".